document.write( "Question 1169347: A city park has a circular goldfish pond with a diameter of 40 metres. Park officials want to surround the pool with a 100 centimetre-wide cement walk. Find the volume of cement needed for this project, to the nearest tenth of a cubic metre, if the layer of concrete is to be 20 centimetres deep \n" ); document.write( "
| Algebra.Com's Answer #794024 by josgarithmetic(39630)      You can put this solution on YOUR website! The AREA of the path, \n" ); document.write( "\n" ); document.write( "Thickness top to bottom is 0.2 meters, so volume of the path is |